Project A119 was a United States plan to nuke the moon in order to freak out the Russians during the cold war.

A large explosion on the Terminator line (the dividing line between the dark and light side of the moon) would put the sun behind the mushroom cloud, making the explosion visible with the naked eye from Earth. Presumably this is because the scientists in question were using prison logic: If you don’t want to end up somebody’s man-wife, you gotta kill the first random guy you see and make everybody else think you’re crazy.

Blue Peacock was a British plan to build 10 kiloton landmines to be activated during a retreat… and kept warm by chickens.

the U.S. Army employed no less than 22 full-time psychics to do remote viewing

Operation Northwood was a US plan fake a Cuban terrorist attack on US soil to give us an excuse to kick Cuba’s ass.

Project Horizon was a plan to put a nuclear military base on the moon in 1959.

The M-388 Davy Crockett was a tactical nuclear recoilless rifle projectile that was deployed by the United States during the Cold War with a selectable yield equivalent to 10 or 20 tons of TNT.